Bone conduction headphone----V11
Specification:
| Main control chip: BK 3266 V5.0 | |
| Speaker type: Bone conduction vibrator | |
| Play time: 5 hours | Bare metal weight: 28G |
| Frequency response range: 20HZ-20KHZ | |
| Material: Titanium Alloy/TPE PC Alloy | |
| Battery: 150mAh polymer lithium battery with KC | |
| Color: dark/ grey ect | |
